content: package com.alipay.antbenchmark.controller.cases.responseCheck;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.stereotype.Controller;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestMethod;
  import org.springframework.web.bind.annotation.ResponseBody;
  
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServlet;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import java.io.IOException;
  import java.net.URLClassLoader;
  
  // assession information start
  // real vulnerability = true
  // assession project = 响应检测->dnslog
  // compose = ResponseDnslogCheck_02.java
  // bind_url = /ssrf/BS00110
  // assession information end
  
  
  @Controller
  @RequestMapping(value="/ssrf")
  public class ResponseDnslogCheck_02 extends HttpServlet {
  
      private static final Logger log = LoggerFactory.getLogger("ResponseDnslogCheck_02");
  
  
      @ResponseBody
      @RequestMapping(value="/BS00110",method = {RequestMethod.GET, RequestMethod.GET})
      public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
          response.setContentType("text/html;charset=UTF-8");
  
          String param = request.getParameter("BS00110");
          String classname=request.getParameter("classname");
          if(classname==null){
              classname="";
          }
          if(param==null){
              param="";
          }
          try {
              URLClassLoader   loader=new URLClassLoader(new java.net.URL[]{new java.net.URL(param)});
              loader.loadClass(classname);
          } catch (Exception e) {
              log.error("doPost error. Exception :{}", e.getMessage());
          }
      }
  }
  